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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 518 · 40 questions
TalentJR

The method (Think in totals): Average = total ÷ how many; total = average × how many. A number added or removed: compare the new total with the old total. Two groups together: add the two totals, then divide by everyone.

NameDateTime takenScore ___ / 40
  1. 1.Pooja’s batting average after 6 innings is 20 runs. How many runs must Pooja score in the next innings to raise the average to 24?
  2. 2.Marks of 4 friends in a quiz: 82, 82, 74, 66. What is their average mark?
  3. 3.A shop sells an average of 26 kg of sugar a day for 5 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  4. 4.The average of 5 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  5. 5.A shop sells an average of 54 kg of sugar a day for 3 days, and then 61 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  6. 6.Isha’s batting average after 6 innings is 25 runs. How many runs must Isha score in the next innings to raise the average to 26?
  7. 7.Marks of 4 friends in a quiz: 75, 53, 76, 40. What is their average mark?
  8. 8.Marks of 6 friends in a quiz: 38, 29, 25, 20, 24, 38. What is their average mark?
  9. 9.The average of 7 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  10. 10.The average weight of 8 children is 42 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 4 friends in a quiz: 33, 45, 35, 79. What is their average mark?
  12. 12.A shop sells an average of 75 kg of sugar a day for 3 days, and then 57 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  13. 13.Kabir’s batting average after 11 innings is 50 runs. How many runs must Kabir score in the next innings to raise the average to 54?
  14. 14.The average of 5 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  15. 15.The average of 6 numbers is 53. When one more number is added, the average becomes 59. What number was added?
  16. 16.The average weight of 8 children is 33 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average of 5 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  18. 18.Marks of 4 friends in a quiz: 70, 81, 83, 74. What is their average mark?
  19. 19.Marks of 4 friends in a quiz: 14, 15, 36, 31. What is their average mark?
  20. 20.Isha’s batting average after 5 innings is 48 runs. How many runs must Isha score in the next innings to raise the average to 53?
  21. 21.A shop sells an average of 53 kg of sugar a day for 5 days, and then 67 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  22. 22.Marks of 6 friends in a quiz: 58, 30, 32, 50, 37, 63. What is their average mark?
  23. 23.A shop sells an average of 62 kg of sugar a day for 4 days, and then 48 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.A shop sells an average of 37 kg of sugar a day for 2 days, and then 49 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.Marks of 5 friends in a quiz: 69, 79, 72, 50, 50. What is their average mark?
  26. 26.A shop sells an average of 25 kg of sugar a day for 2 days, and then 53 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  27. 27.The average of 8 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  28. 28.The average of 4 numbers is 30. When one more number is added, the average becomes 34. What number was added?
  29. 29.The average weight of 6 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 5 children is 29 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.A shop sells an average of 54 kg of sugar a day for 5 days, and then 62 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  32. 32.The average of 4 numbers is 39. When one more number is added, the average becomes 42. What number was added?
  33. 33.The average weight of 12 children is 30 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.A shop sells an average of 78 kg of sugar a day for 6 days, and then 22 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  35. 35.The average weight of 10 children is 34 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 4 friends in a quiz: 23, 33, 20, 24. What is their average mark?
  37. 37.A shop sells an average of 78 kg of sugar a day for 4 days, and then 27 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.A shop sells an average of 64 kg of sugar a day for 4 days, and then 54 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  39. 39.The average of 5 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  40. 40.The average weight of 5 children is 45 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 48
  2. 76
  3. 30
  4. 60
  5. 58
  6. 32
  7. 61
  8. 29
  9. 55
  10. 39
  11. 48
  12. 63
  13. 98
  14. 34
  15. 95
  16. 30
  17. 61
  18. 77
  19. 24
  20. 78
  21. 60
  22. 45
  23. 55
  24. 45
  25. 64
  26. 46
  27. 67
  28. 50
  29. 25
  30. 28
  31. 58
  32. 54
  33. 29
  34. 50
  35. 31
  36. 25
  37. 61
  38. 59
  39. 28
  40. 44

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